Interest-calculator.



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of i12-rice, ie the county .o oi zierove ors, o the fe, 'reference being o im irrt-ei est e to be eeeiiy end :imei-gij* by eeieotirig the time and. inteest per eent. 'emi then ehirtmerr indicator end observing the residing exposed through the 'eii eoeetriiotio'e entering into my ii eioefter more fuiijf dethee epeoi'iceiijf pointed out i mended eieime.

rfi g to "Le rire'wirig orn'iing part of l.11, iiice mimereis 'of refereorreeponding parte throughwine , closed position, s en end 'i .f v of ceieuietor also in oioseii position.

To put my invention into practice, con iront eeieuieiior of two @erde or plates l 2, seid cards or piet-es being hinged, as at i the hinge member euiiieientiy exto enebie the parte to be folded together es shown in .2 and The piete or corri 2 :it the hinge-(i edge of seid Cero-T or iii/ate provia'ed with o. cent1-ei semi-eireu- 1 i:ir extension e, the oord or piete 1 opposite tix-e ext Hsien being out envoy, as;v et 5, .to seen the cards or piatee fusion 4 as Center, ii print or upon the :erde or plate l tf; of oirouizir iiues 6 providing "iride .subdivided bye piu- :eiity of iinee 9 radiating from the Central eX- l Mettere etent.

. of the indicator l.

getented Serial No. 3703812.

tension e. in the subdivided print the deve o mouth and e mentire of o. freer, for insta-noe, rays 4. months. in the eubdief'ided. epee-es 7, print or merk the interest e g money, es S31., for o. pres- *i muoia percent. interest, for inet-mue eet 6% en for 6 days, is .(l

.Pivoteiy mounted upon the oeutrei eziter1- sion @c by e rivet 1G is indicator il seid i'e dieetor being provided 'vit i piero e openings i2 atteinte-fi to register with divide(A spaces' 7 of the @erde or pietes l end 2. At the side of each opening, print or otherwise meri: the pereentege, the opening shown representing 3 to7% inclusive. also print upon theinriieotor the words Err terest on 5&1.

in order that the eeieuietor een oe mede off e. small compe-.ot size, :md permit the interest being eeieuieteo. for (legs, menthe and years, ewvei es et ie, upon the upper left hand corner of the card or iete enother card or plete 15, upon whien. is printed or otherwise marked, semicircuier and. rodieting lines, similar to the Gerd or piete l. The centre-i portion of the oord or piee i5 out away, as et 18, te eieer the riveted end the eerd l5 are marked simi er to the epeeee of the vcards or igietes l' and f2, with the eze oeptiolu that tie interest quotations are much larger owing tothe feet that the card or plete l5 is used for determiiiing iotereet for months'end yeere.

Upon the cords or platee l, 'Z @mi E5 ee- 'be printed or otherwise marked advertising metter; 'whereby the oeieuietor een be useiif ris an advertising medium.

It ist thought that the marmer of detemining the amount of interest upon for The s ece-s 7 emi i a s eoiied time will be readily understood, i

en it is' obviou's that e oeieuietor veen be' mede of a, iarger size emi provided with' e. greeter number of subdivided speces, Where by the interest on aigiveri sum et eo Email percentage for e speeied time een. ietermined. l f

Wint claim end desire to by Letters Patent, is z* I 1. An interest caicuietor consisting of two hinged cards or plates having marked thereon, cirouiar lines divided by redietig lines, providing e plurality of spaces, some of seid l spaces bem marked with days, months and.

years and t e other of Said spaces with the 

